8-Bit Music Synthesizer MCU
Description
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HT36B2 8-Bit Music Synthesizer MCU
Features
· Operating voltage: 3.
6V~5.
0V · Operating frequency: 3.
58MHz~12MHz · Sampling rate of 44.
1kHz as 11.
059MHz for system
frequency
· Eight-level subroutine nesting · HALT function and wake-up feature to reduce power
(typ.
11.
059MHz)
· 32 bidirectional I/O lines · Two 16-bit programmable timer/event counters with
consumption
· Bit manipulation instructions · 16-bit table read instructions · 63 powerful instructions · All instructions in 1 or 2 machine cycles · 28-pin SOP, 56-pin SSOP package
overflow interrupts
· Watchdog Timer · Built-in 8-bit MCU with 576´8 bits RAM · Built-in 128K´16-bit ROM for program/data shared · Two High D/A converter resolution: 16 bits · Polyphonic up to 16 notes · Independent pan and volume mix can be assigned to
each sound component
General Description
The HT36B2 is an 8-bit high performance RISC-like microcontroller specifically designed for music applications.
It provides an 8-bit MCU and a 16 channel wavetable synthesizer.
The program ROM is composed of both program control codes and wavetable voice codes, and can be easily programmed.
The HT36B2 has a built-in 8-bit microprocessor which programs the synthesizer to generate the melody by setting the special register from 20H~2AH.
A HALT feature is provided to reduce power consumption.
Block Diagram
V D V S V D V S S te re o 1 6 - B it D A C D D A S A S
P A P B P C P D
0 ~ 0 ~ 0 ~ 0 ~
P A P B P C P D IN O S C O S C T R E S
7
7
7
7
1 2 8 K ´ 1 6 - b it R O M 8 - B it M C U 5 7 6 ´ 8 R A M M u ltip lie r /P h a s e G e n e ra l
1 2
R C H L C H
Rev.
1.
00
1
July 3, 2003
HT36B2
Pin Assignment
V D D R E S P C 7 P C 6 P C 5 P C 4 P C 3 P C 2 N C N C N C N C N C N C V S S 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 V D D R E S N C N C N C N C N C N C N C N C P A 7 P A 6 P A 5 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 O S C 1 O S C 2 V S S A V D D A L C H R C H N C N C IN T P A 0 P A 1 P A 2 P A 3 P A 4 N...
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